anterior inferior cerebellar artery

A branch of the basilar artery; it runs dorsally along the posterior edge of the pons and supplies blood to the hindbrain, the superior and middle cerebellar peduncles, and portions of the ventral cerebellum.

Bony defects in the anterior inferior glenoid can diminish the arc and surface area of the articular surface and reduce the depth of the glenoid socket, which allow for greater propensity for subluxation or dislocation.

A 3cm long vertical incision was made over both anterior inferior iliac spines and supra-acetabular screws were placed from the anterior inferior iliac spines to the posterior inferior iliac spines to fix the bilateral iliac wing fractures.

The advantages of this were two-fold: first, the vascular supply from the superior gluteal artery to the supra-acetabular bone could be protected more efficiently, and second, the purchase of the Schanz screw, inserted into the anterior inferior iliac spine for manipulation of the acetabular fragment, was clearly increased.

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